Home / 7,557.90-11,334.96-3,178.50

Finding the Fourth Proportional to 7,557.90, 11,334.96 and 3,178.50

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Solution

The fourth proportional to 7,557.90, 11,334.96 and 3,178.50 is: 4,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.90 : 11,334.96 = 3,178.50 : x
  2. Step 2: Convert to fraction form
    7,557.90/11,334.96 = 3,178.50/x
  3. Step 3: Cross multiply
    7,557.90x = 11,334.96 × 3,178.50
  4. Step 4: Simplify right side
    7,557.90x = 36,028,170.36
  5. Step 5: Solve for x
    x = 36,028,170.36/7,557.90
  6. Step 6: Final answer
    x = 4,766.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.